请教96-08-11语法题一道~~

dreamerps

9608

11. _____ around stones that are sun-warmed, even the smallest of stones creates tiny currents of warm air.

(A) The cool air

(B) If the air is cool

(C) That the air cools

(D) The cooler the air.

请问选B的话那主句不是多了一个谓语吗？is ,are ,creats有三个谓语但是只有一个连接词that啊？为什么呢？

gre3333

不会多谓语呀。

主句：the smallest of stones creates...

条件句：if the air is cool around stones

定语从句：(stones) that are sun-warmed